On 28 September 2026, Satsuki Umehara (Japan) ran their 400 metres hurdles in 57.90 seconds at Nagoya (20th Asian Games).
| 20.32 |
| 7.58 |
16 L |
L |
| H5 | 4.65(+0.03) | 24.97 | 7.53 | 16 R | R |
| H6 | 4.93(+0.28) | 29.90 | 7.10 | 17 R | R |
| H7 | 4.97(+0.04) | 34.87 | 7.04 | 17 R | R |
| H8 | 5.33(+0.36) | 40.20 | 6.57 | 18 L | L |
| H9 | 5.67(+0.34) | 45.87 | 6.17 | 19 L | L |
| H10 | 5.89(+0.22) | 51.76 | 5.94 | 19 L | L |
| Finish | 6.14 | 57.90 | 6.51 | — — | — |
Avg. interval
5.01s
Std. deviation
0.48
Deceleration
Stride pattern
Fastest interval: 4.5s (H2–H3).
Deceleration of 11.9% between the first half (7.41 m/s) and the second half (6.53 m/s).
Stutter on H8.
Hurdle fault on H7.
Lead leg alternation: 5× Left, 5× Right.